| Portes-les-Valence to Oestrich-Winkel | 383.03 mi (616.43 km) |
| Portes-les-Valence to Offenburg | 287.43 mi (462.57 km) |
| Portes-les-Valence to Oftersheim | 356.19 mi (573.24 km) |
| Portes-les-Valence to Ohrdruf | 492.61 mi (792.79 km) |
| Portes-les-Valence to Ohringen | 369.67 mi (594.93 km) |
| Portes-les-Valence to Olbernhau | 560.09 mi (901.37 km) |
| Portes-les-Valence to Olching | 382.57 mi (615.69 km) |
| Portes-les-Valence to Oldenburg | 590.95 mi (951.05 km) |
| Portes-les-Valence to Oldenburg in Holstein | 704.09 mi (1,133.12 km) |
| Portes-les-Valence to Olfen | 486.59 mi (783.10 km) |
| Portes-les-Valence to Olpe | 445.89 mi (717.58 km) |
| Portes-les-Valence to Olsberg | 477.28 mi (768.11 km) |
| Portes-les-Valence to Oranienburg | 663.28 mi (1,067.45 km) |
| Portes-les-Valence to Ortenberg | 425.72 mi (685.13 km) |
| Portes-les-Valence to Oschatz | 583.66 mi (939.30 km) |
